Re: [PATCH net-next v15 02/14] net: netdev netlink api to bind dma-buf to a net device

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On Fri, Jun 28, 2024 at 3:10 AM Donald Hunter <donald.hunter@xxxxxxxxx> wrote:
>
> Mina Almasry <almasrymina@xxxxxxxxxx> writes:
> > +  -
> > +    name: bind-dmabuf
> > +    attributes:
> > +      -
> > +        name: ifindex
> > +        doc: netdev ifindex to bind the dma-buf to.
>
> Minor nit:
>
> The series uses a mix of dmabuf and dma-buf but the doc additions
> (devmem.rst) consistently uses dmabuf. I think it would be helpful to be
> consistent here and say 'devmem dmabuf' in the docstring to highlight
> whos dmabuf it is and keep the generated netdev docs in alignment.
>

To be honest, even the dmabuf docs mixes 'dma-buf' and 'dmabuf', to my eye:

https://docs.kernel.org/driver-api/dma-buf.html

I can edit these docs I'm adding so these are consistent.

But on 'devmem dmabuf', not sure to be honest. Technically all dmabufs
are supported, even non-devmem ones. I'm not sure non-devmem dmabufs
are common at all, the only example I can think of is udmabuf whose
primary user is qemu and testing, so it's somewhat implied that the
dmabuf is devmem, and even if it isn't, it would be supported. I
prefer to keep the docs saying just 'dmabuf' as technically all are
supported. Maybe I should add a note about this somewhere in the
dedicated docs.

-- 
Thanks,
Mina





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